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What is the difference between and ?
...m CSS (hyphens: auto), then lang attribute is required to allow browser to select proper set of rules.
– RobertT
Oct 30 '14 at 2:42
1
...
How do you change the datatype of a column in SQL Server?
... was Altering (after running the script and right-clicking on the Table to select "Design") it still showed the old Data Types! It was only after closing ALL of my Tabs in Management Studio and opening the Design View again that it finally showed the updated DataType. Very scary, so be careful (it...
Count with IF condition in MySQL query
...
Use sum() in place of count()
Try below:
SELECT
ccc_news . * ,
SUM(if(ccc_news_comments.id = 'approved', 1, 0)) AS comments
FROM
ccc_news
LEFT JOIN
ccc_news_comments
ON
ccc_news_comments.news_id = ccc_news.news_id
WHERE
`ccc_...
Debugging doesn't start [closed]
...roperties -> Startup Project.
The ensuring Multiple startup projects is selected, move the web project to the top of the list.
In my web application solution I have 2 web projects and 5 code projects, one of my code projects was at the top, and as such debug would not start.
Hope others find ...
HashSet versus Dictionary w.r.t searching time to find if an item exists
...value);
}
var testPoints = Enumerable.Repeat(1, TestReps).Select(_ => rand.Next()).ToArray();
var timer = new Stopwatch();
var total = 0;
timer.Restart();
for (int i = 0; i < TestReps; i++)
{
var newKey =...
Find unique rows in numpy.array
...
As of NumPy 1.13, one can simply choose the axis for selection of unique values in any N-dim array. To get unique rows, one can do:
unique_rows = np.unique(original_array, axis=0)
share
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PHP memory profiling
...01-29) which can be used in Qcachegrind or similar tool. Just make sure to select the memory option :)
From the docs:
Since Xdebug 2.6, the profiler also collects information about how much memory is being used, and which functions aGnd methods increased memory usage.
I'm not familiar with th...
How much space can your BitBucket account have?
... actually mean? What's the alternative - gitignore the PDF directories and selectively rsync them? Sounds like a lot more hassle than just including the PDFs in the repository. And "Use SVG instead of PDF" is just not a sensible suggestion.
– Bobby Jack
Sep 6 '...
Is gettimeofday() guaranteed to be of microsecond resolution?
..., detect other alternatives like HPET and ACPI PM timer, and automatically select the best one. It's a good idea to always use the kernel for timing unless you are really sure the TSC is stable and monotonic.
– CesarB
Jul 7 '09 at 23:03
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What is the difference between SQL, PL-SQL and T-SQL?
...
SQL a language for talking to the
database. It lets you select data,
mutate and create database objects
(like tables, views, etc.), change
database settings.
PL-SQL a procedural programming language (with embedded SQL)
T-SQL
(procedural) extensions for SQL used
by SQL Server
...